Odostomia sp. 1

Fig. 5G

Examined material. 5 sh. (MACN-In 40702).

Description. Shell height to 3 mm; fusiform, moderately solid. Protoconch markedly tilted, apex partially sunken; transition to teleoconch poorly defined. Teleoconch of up to 4.5 whorls, almost straight in outline; last whorl comprising about 65% of total shell height. Suture deep, impressed. Surface white; sculptured with a narrow spiral groove on the apical part of each whorl. Aperture ovate, slightly projected anteriorly, interior white; columella with a delicate fold (not visible in apertural view); callus moderately thick, slightly reflected on the umbilical area. Umbilicus partially closed in larger specimens, and completely closed in smaller ones.